Vulnerability Details : CVE-2021-1128
A vulnerability in the CLI parser of Cisco IOS XR Software could allow an authenticated, local attacker to view more information than their privileges allow. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by using a specific command at the command line. A successful exploit could allow the attacker to obtain sensitive information within the configuration that otherwise might not have been accessible beyond the privileges of the invoking user.
Products affected by CVE-2021-1128
- cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:7.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xr:7.3.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-1128
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-1128
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
Cisco Systems, Inc. | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-1128
-
The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.Assigned by: ykramarz@cisco.com (Primary)
References for CVE-2021-1128
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-infodisc-4mtm9Gyt
Cisco IOS XR Software Unauthorized Information Disclosure VulnerabilityVendor Advisory
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